Engine Fuel Injection Control Pressure Sensor Fault
The engine control unit detects a fault in the fuel injection control pressure sensor.
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What it means (plain English)
This means the sensor measuring the pressure of the fuel being injected into the engine is giving incorrect readings, which can affect engine performance and efficiency.
What the computer is actually seeing
The computer is monitoring the fuel injection control pressure and expects to see a voltage signal typically between 0.5V and 4.5V, corresponding to a pressure range of 10 to 300 psi.
What a healthy reading looks like
Normal pressure sensors should read between 0.5V (low pressure) to 4.5V (high pressure) with fuel pressures usually ranging from 50 psi to 100 psi during operation.
Guided diagnostic — the DiagCoach way
Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.
- 11. Check the wiring and connector for the fuel injection control pressure sensor for damage or corrosion.
- 22. Measure the voltage at the sensor connector. Expected values should be between 0.5V and 4.5V.
- 33. If voltage is incorrect, inspect the wiring further for breaks and perform a continuity test.
- 44. If wiring is good, replace the fuel injection control pressure sensor and retest.
- 55. If sensor replacement does not solve the issue, consider checking the fuel pump for pressure output.
Common causes
- Faulty fuel injection control pressure sensor
- Wiring issues leading to sensor communication failure
- Corrosion or poor connections at the sensor
- Faulty fuel pump affecting pressure readings
- ECU software issue
Typical repair cost
$$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
It's drivable but you may experience decreased fuel efficiency and engine performance; fix it soon.
Will this code return after fixing?
If the issue causing the fault is resolved, it shouldn't return.
Why does this code sometimes appear with SPN 2767?
Both relate to fuel pressure issues; one may trigger the other.
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